Finding the Fourth Proportional to 164,911.80, 247,367.70 and 102,703.80
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Solution
The fourth proportional to 164,911.80, 247,367.70 and 102,703.80 is: 154,055.70
Step by Step Solution
- Step 1: Write the proportion equation
164,911.80 : 247,367.70 = 102,703.80 : x - Step 2: Convert to fraction form
164,911.80/247,367.70 = 102,703.80/x - Step 3: Cross multiply
164,911.80x = 247,367.70 × 102,703.80 - Step 4: Simplify right side
164,911.80x = 25,405,602,787.26 - Step 5: Solve for x
x = 25,405,602,787.26/164,911.80 - Step 6: Final answer
x = 154,055.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.